In an attempt to reduce the number of accidents caused by in-car distractions, AT&T Labs,…
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The latest version of the Cadillac XTS will include General Motor's new Safety Alert Seat technology that can subtly alert the driver with unique vibrating pulse patterns on either side of their seat. It works in tandem with the vehicles' autonomous safety systems and sensors, and can warn a driver in situations where they're accidentally drifting between lanes, or backing up too close to another car when parking.

The driver will still be notified of problems with visual alerts as well, but the vibrating seat will guarantee they're aware of a problem no matter where they happen to be looking. And it's a considerably less annoying way to get their attention than with a beeping audible alert which can be dangerously jarring when you're behind the wheel. [General Motors]